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[PATCH 2/6] net: dsa: mv88e6060: use the correct InitReady bit

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  [PATCH 2/6] net: dsa: mv88e6060: use the correct InitReady bit Neil Armstrong <narmstrong@baylibre.com> - 2015-11-10 14:30 +0100
    Re: [PATCH 2/6] net: dsa: mv88e6060: use the correct InitReady bit Vivien Didelot <vivien.didelot@savoirfairelinux.com> - 2015-11-10 15:30 +0100

#1266498 — [PATCH 2/6] net: dsa: mv88e6060: use the correct InitReady bit

According to the mv88e6060 datasheet, the InitReady bit position
is 11 and the polarity is inverted.
Use the bit correctly to detect the end of initialization.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
---
 drivers/net/dsa/mv88e6060.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/dsa/mv88e6060.c b/drivers/net/dsa/mv88e6060.c
index 6885ef5..26f668c 100644
--- a/drivers/net/dsa/mv88e6060.c
+++ b/drivers/net/dsa/mv88e6060.c
@@ -102,7 +102,7 @@ static int mv88e6060_switch_reset(struct dsa_switch *ds)
 	timeout = jiffies + 1 * HZ;
 	while (time_before(jiffies, timeout)) {
 		ret = REG_READ(REG_GLOBAL, 0x00);
-		if ((ret & 0x8000) == 0x0000)
+		if ((ret & 0x800))
 			break;

 		usleep_range(1000, 2000);
-- 
1.9.1
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#1266537

On Nov. Tuesday 10 (46) 02:25 PM, Neil Armstrong wrote:
> According to the mv88e6060 datasheet, the InitReady bit position
> is 11 and the polarity is inverted.
> Use the bit correctly to detect the end of initialization.
> 
> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
> ---
>  drivers/net/dsa/mv88e6060.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/dsa/mv88e6060.c b/drivers/net/dsa/mv88e6060.c
> index 6885ef5..26f668c 100644
> --- a/drivers/net/dsa/mv88e6060.c
> +++ b/drivers/net/dsa/mv88e6060.c
> @@ -102,7 +102,7 @@ static int mv88e6060_switch_reset(struct dsa_switch *ds)
>  	timeout = jiffies + 1 * HZ;
>  	while (time_before(jiffies, timeout)) {
>  		ret = REG_READ(REG_GLOBAL, 0x00);
> -		if ((ret & 0x8000) == 0x0000)
> +		if ((ret & 0x800))
>  			break;

You can drop a pair of parenthesis here.

> 
>  		usleep_range(1000, 2000);

Thanks,
-v
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